
Hancock County
- State:
- Mississippi
- County Seat:
- Bay Saint Louis
Hancock County's estimated 2025 population is 46,463 with a growth rate of 0.33% in the past year according to the most recent United States census data. Hancock County is the 16th largest county in Mississippi. The 2010 population was 44,102 and has seen a growth of 5.35% since that time.